package com.pointcircle.core;

import org.springframework.beans.factory.DisposableBean;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.annotation.Lazy;
import org.springframework.stereotype.Component;

@Component("springContextHolder")
@Lazy(false)
public class ApplicationContextHolder implements ApplicationContextAware, DisposableBean {

	private static ApplicationContext applicationContext = null;

	public static ApplicationContext getApplicationContext() {
		return applicationContext;
	}

	@SuppressWarnings("unchecked")
	public static <T> T getBean(String name) {
		return (T) applicationContext.getBean(name);
	}

	public static <T> T getBean(Class<T> requiredType) {
		return applicationContext.getBean(requiredType);
	}

	public static void clearHolder() {
		applicationContext = null;
	}

	@Override
	public void setApplicationContext(ApplicationContext applicationContext) {
		ApplicationContextHolder.applicationContext = applicationContext;
	}

	@Override
	public void destroy() throws Exception {
		ApplicationContextHolder.clearHolder();
	}
}